<s>
Tkabber	B-Protocol
is	O
a	O
GPL	B-License
instant	B-Application
messaging	I-Application
client	B-Protocol
for	O
the	O
XMPP	B-Protocol
protocol	I-Protocol
which	O
uses	O
the	O
Tk	B-Application
toolkit	I-Application
for	O
the	O
GUI	B-Application
.	O
</s>
<s>
It	O
runs	O
on	O
anything	O
to	O
which	O
Tcl/Tk	B-Operating_System
is	O
ported	O
:	O
almost	O
any	O
X-based	B-Operating_System
system	O
(	O
namely	O
,	O
any	O
Linux	B-Application
and	O
*	B-Operating_System
BSD	I-Operating_System
,	O
Solaris	B-Application
,	O
etc	O
.	O
</s>
<s>
)	O
,	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
Tkabber	B-Protocol
was	O
started	O
by	O
Alexey	O
Shchepin	O
(	O
also	O
the	O
author	O
of	O
ejabberd	B-Protocol
XMPP	B-Protocol
server	O
)	O
in	O
2002	O
.	O
</s>
<s>
In	O
October	O
2004	O
,	O
Alexey	O
Shchepin	O
won	O
an	O
Honorable	O
Mention	O
for	O
Tkabber	B-Protocol
in	O
the	O
ActiveState	O
Programmer	O
Network	O
's	O
Coolest	O
Tk	B-Application
Screenshot	O
Contest	O
.	O
</s>
<s>
Coincidentally	O
,	O
another	O
Jabber/XMPP	B-Protocol
client	B-Protocol
was	O
a	O
Grand	O
Prize	O
Winner	O
:	O
Mats	O
Bengtsson	O
for	O
Coccinella	B-Protocol
.	O
</s>
<s>
The	O
word	O
"	O
Tkabber	B-Protocol
"	O
is	O
built	O
of	O
two	O
words	O
:	O
"	O
Tk	B-Application
"	O
and	O
"	O
Jabber	B-Protocol
"	O
which	O
alludes	O
to	O
the	O
GUI	B-Application
toolkit	O
used	O
and	O
the	O
family	O
of	O
network	O
protocols	O
implemented	O
.	O
</s>
<s>
Russian	O
speakers	O
(	O
including	O
the	O
Tkabber	B-Protocol
's	O
author	O
,	O
who	O
invented	O
this	O
name	O
)	O
pronounce	O
it	O
as	O
 [ t'kabber ] 	O
.	O
</s>
<s>
Tkabber	B-Protocol
is	O
primarily	O
distributed	O
in	O
the	O
form	O
of	O
two	O
tarballs	B-Application
containing	O
the	O
code	O
of	O
its	O
"	O
core	O
"	O
and	O
standard	O
external	O
plugins	B-Application
.	O
</s>
<s>
Since	O
Tkabber	B-Protocol
is	O
written	O
in	O
an	O
interpreted	O
language	O
,	O
it	O
does	O
not	O
require	O
any	O
"	O
building	O
"	O
for	O
a	O
target	O
platform	O
.	O
</s>
<s>
Nevertheless	O
,	O
Tkabber	B-Protocol
is	O
packaged	O
by	O
most	O
of	O
known	O
Linux	B-Application
distros	O
and	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
Also	O
special	O
"	O
all-in-one	O
"	O
packages	O
for	O
Microsoft	B-Application
Windows	I-Application
are	O
provided	O
(	O
they	O
do	O
n't	O
require	O
separate	O
installation	O
of	O
the	O
Tcl/Tk	B-Operating_System
runtime	O
)	O
in	O
the	O
forms	O
of	O
installer	B-Language
and	O
starpack	O
.	O
</s>
<s>
Starpack	O
for	O
Linux	B-Application
x86	O
is	O
also	O
provided	O
.	O
</s>
<s>
The	O
goal	O
of	O
the	O
Tkabber	B-Protocol
project	O
is	O
to	O
create	O
a	O
cross-platform	B-Operating_System
XMPP	B-Protocol
client	B-Protocol
which	O
is	O
feature-rich	B-Architecture
and	O
is	O
easy	O
to	O
hack	O
.	O
</s>
<s>
Tkabber	B-Protocol
is	O
written	O
in	O
Tcl	B-Operating_System
allowing	O
it	O
can	O
be	O
customized	O
without	O
knowledge	O
of	O
a	O
low-level	O
language	O
such	O
as	O
C++	B-Language
and	O
its	O
build	O
system	O
.	O
</s>
